import { Component, OnInit, OnDestroy } from '@angular/core';
@Component({
    selector: 'bootstrap',
    templateUrl: 'bootstrap.component.html',
})
export class BootstrapComponent implements OnInit, OnDestroy {

    constructor() {
      console.log('标签一',1);
    }

    ngOnInit() {
      console.log('标签一');
    }

    ngOnDestroy() {

    }
}
